1977 Nice International Championships – Singles
The 1977 Nice International Championships – Singles was an event of the 1977 Nice International Championships tennis tournament and was played on outdoor clay courts at the Nice Lawn Tennis Club in Nice, France, between 28 March, and 3 April 1977. The draw comprised 32 players and eight of them were seeded. Corrado Barazzutti was the defending Nice International Championships singles champion but did not participate in this edition. First-seeded Björn Borg won the singles title after he defeated second-seeded Guillermo Vilas in the final, 6–4, 1–6, 6–2, 6–0.